docs: fix typo in word (#863)

ItMaga · web-flow · commit f00e484f4dac · 2022-01-05T00:33:13.000+09:00
diff --git a/docs/guide/advanced/component.md b/docs/guide/advanced/component.md
@@ -150,7 +150,7 @@ const app = createApp({
   })
 })
 
-app.use(i18)
+app.use(i18n)
 app.mount('#app')
 ```
 
